“While S&P claims they changed their models it also appears that they werent willing to discuss this in detail with NPR. Assuming this is in fact accurate what we have here is not failure of models, but rather an unwillingness to pay attention to what the models were telling them,” says NPR. “We have here a situation where the models are not telling us what we need to look at is that the models tell us,” says CNN.com’s John Sutter.com.com.”]
Source: https://www.csoonline.com/article/2124053/new-school–s-p-risk-models.html